Making tooltip in GUI by python

import sys
from PyQt4 import QtGui

class Example(QtGui.QWidget):
   
     def __init__(self):
         super(Example,self).__init__()
         self.initUI()
 
     def initUI(self):
         QtGui.QToolTip.setFont(QtGui.QFont('SansSerif',10))
         self.setToolTip('This is a <b>QWidget</b> widget')
         
         btn = QtGui.QPushButton('Button',self)
         btn.setToolTip('This is a <b>QPushButton</b> widget')
         btn.resize(btn.sizeHint())
         btn.move(10,10)
         
         self.setGeometry(10,10,300,300)
         self.setWindowTitle('ToolTips')
         self.show()


def main():
    app = QtGui.QApplication(sys.argv)
    ex = Example()
    sys.exit(app.exec_())


if __name__ == '__main__':
   main()

Set Window Icon in Python Gui Programing

import sys
from PyQt4 import QtGui

class Example(QtGui.QWidget):
   
    def __init__(self):
       super(Example,self).__init__()
       self.initUi()

    def initUi(self):
       self.setGeometry(10,10,300,300)
       self.setWindowTitle('Windo ICON')
       self.setWindowIcon(QtGui.QIcon('icon.png'))
       self.show()



def main():
    app = QtGui.QApplication(sys.argv)
    ex = Example()
    sys.exit(app.exec_())


if __name__ == '__main__':
    main()

Python Basic Gui

#To make a simple gui follow the instructions. You need to at first install PyQt4 in your system. If you use linux run the code sudo apt-get install python3-pyqt4. For another system you just need to setup an application file. Google it for this. After installing pyqt4 modulo just write down the foling code. it will show you a simple gui.

import sys
from PyQt4 import QtGui


def main():
   
    app = QtGui.QApplication(sys.argv)

    w = QtGui.QWidget()
    #w.resize(250, 150)
    #w.move(300, 300)
    w.setGeometry(10,10,400,400)
    w.setWindowTitle('Simple GUI in Python')
    w.show()
   
    sys.exit(app.exec_())


if __name__ == '__main__':
    main()